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Binding Characteristics of Surface Ligands on PbSe QDs and Impact on Electrical Conductivity
Published online by Cambridge University Press: 15 March 2011
We report the binding and conductivity characteristics of PbSe nanocrystal quantum dots which have different ligands on the surface. The PbSe nanocrystal quantum dots were surface functionalized using chemical treatment. The results of post-treatment analysis show that the PbSe surface can be successfully functionalized with various ligands based on thiol- and amine-molecules (e.g., oleic acid, dodecanethiol and butylamine). Conductivity measurements performed using a metal-semiconductor-metal structure indicate that there is an increase of conductivity as the length of the ligand connecting the quantum dots is reduced.
- Research Article
- MRS Online Proceedings Library (OPL) , Volume 1113: Symposium F – Low-Cost Solution-Based Deposition of Inorganic Films for Electronic/Photonic Devices , 2008 , 1113-F03-09
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